Can Gavin Williamson get a grip on the latest A-levels confusion?

Any hope in government that the row over A-level results would die down over the weekend has been dashed. As opposition MPs and students call for Gavin Williamson’s resignation as Education Secretary, the general process has been thrown into doubt after Ofqual – the exams regulator – suddenly announced it is reviewing its guidance on how to appeal against A-level and GCSE grades using mock exam results (a point of contention is what happens when a mock result is higher than a teacher’s prediction).